package com.modern.devtools.infrastructure;

import com.modern.devtools.interfaces.CommandExecutor;
import com.modern.devtools.interfaces.CommandExecutor.ExecutionResult;
import com.modern.devtools.model.Server;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;

import java.util.Map;

/**
 * SSH Connection Pool for efficient management and reuse of SSH sessions.
 * This is a simplified implementation that defers SSH client creation to service-level.
 * The actual implementation would use Apache MINA SSHD as defined in the POM.
 */
@Component
public class SSHConnectionPool implements CommandExecutor {
    
    private static final Logger logger = LoggerFactory.getLogger(SSHConnectionPool.class);
    
    @Override
    public ExecutionResult executeCommand(Server server, String command) {
        return executeCommand(server, command, null);
    }
    
    @Override
    public ExecutionResult executeCommand(Server server, String command, Map<String, String> environment) {
        // This is a placeholder implementation that would use Apache MINA SSHD
        // in a real implementation
        System.out.println("Would execute command on " + server.getName() + ": " + command);
        return new ExecutionResult("Command executed successfully", "", 0);
    }
    
    @Override
    public void uploadFile(Server server, String localPath, String remotePath) {
        System.out.println("Would upload file from " + localPath + " to " + server.getName() + ":" + remotePath);
    }
    
    @Override
    public void downloadFile(Server server, String remotePath, String localPath) {
        System.out.println("Would download file from " + server.getName() + ":" + remotePath + " to " + localPath);
    }
    
    @Override
    public boolean isConnected(Server server) {
        // In a real implementation, this would check actual connection status
        return true;
    }
    
    @Override
    public void connect(Server server) {
        logger.info("Connecting to server: {}", server.getName());
    }
    
    @Override
    public void disconnect(Server server) {
        logger.info("Disconnecting from server: {}", server.getName());
    }
}